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NO20085202L - Multi-core distributed temperature-sensing fiber - Google Patents

Multi-core distributed temperature-sensing fiber

Info

Publication number
NO20085202L
NO20085202L NO20085202A NO20085202A NO20085202L NO 20085202 L NO20085202 L NO 20085202L NO 20085202 A NO20085202 A NO 20085202A NO 20085202 A NO20085202 A NO 20085202A NO 20085202 L NO20085202 L NO 20085202L
Authority
NO
Norway
Prior art keywords
distributed temperature
sensing fiber
core distributed
core
fiber
Prior art date
Application number
NO20085202A
Other languages
Norwegian (no)
Other versions
NO340684B1 (en
Inventor
Stephen Poland
Daniel S Homa
Original Assignee
Baker Hughes Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO20085202L publication Critical patent/NO20085202L/en
Publication of NO340684B1 publication Critical patent/NO340684B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
    • G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
    • G01D5/35316—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02042—Multicore optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

Det beskrives en flerkjerne distribuert temperaturavfølende optisk fiber, hvor arrangementet og konstruksjonen av i det minste to kjerner tilveiebringer en spektraldempning korrigert (eksempelvis korrigert for hydrogen og/eller belastning på fiberen) temperaturmåling.A multi-core distributed temperature sensing optical fiber is disclosed, wherein the arrangement and construction of at least two cores provides a spectral attenuation corrected (e.g. corrected for hydrogen and / or load on the fiber) temperature measurement.

NO20085202A 2006-06-12 2008-12-12 Multi-core distributed temperature sensing fiber NO340684B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/451,207 US7379631B2 (en) 2006-06-12 2006-06-12 Multi-core distributed temperature sensing fiber
PCT/US2007/069209 WO2007146545A1 (en) 2006-06-12 2007-05-18 Multi-core distributed temperature sensing fiber

Publications (2)

Publication Number Publication Date
NO20085202L true NO20085202L (en) 2008-12-29
NO340684B1 NO340684B1 (en) 2017-05-29

Family

ID=38610689

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20085202A NO340684B1 (en) 2006-06-12 2008-12-12 Multi-core distributed temperature sensing fiber

Country Status (7)

Country Link
US (1) US7379631B2 (en)
EP (1) EP2027444B1 (en)
BR (1) BRPI0713004B1 (en)
CA (1) CA2654225C (en)
DK (1) DK2027444T3 (en)
NO (1) NO340684B1 (en)
WO (1) WO2007146545A1 (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10400579B2 (en) * 2006-09-08 2019-09-03 Weatherford Canada Ltd. Optical device for measuring a physical parameter in a hydrogen contaminated sensing zone
US7512292B2 (en) * 2006-09-12 2009-03-31 Weatherford/Lamb, Inc. Multi-core strain compensated optical fiber temperature sensor
BRPI0809122A2 (en) * 2007-03-22 2014-08-26 Baker Hughes Inc DEPENDENT LOCATION CALIBRATION FOR DISTRIBUTED TEMPERATURE SENSOR MEASUREMENTS
DE102007042546B4 (en) * 2007-09-07 2010-01-14 Ulrich Glombitza Method for spatially resolved temperature measurement in a pipe or channel system
US8123400B2 (en) * 2008-04-16 2012-02-28 Ofs Fitel, Llc Multi-core fiber grating sensor
CN101881854A (en) * 2010-04-29 2010-11-10 哈尔滨工程大学 Inner wall fusion-embedded multi-core single-mode polarization-maintaining fiber grating and manufacturing method
US8638444B2 (en) 2011-01-11 2014-01-28 Baker Hughes Incorporated Sensor array configuration for swept-wavelength interferometric-based sensing systems
US8592747B2 (en) 2011-01-19 2013-11-26 Baker Hughes Incorporated Programmable filters for improving data fidelity in swept-wavelength interferometry-based systems
US20130094798A1 (en) * 2011-10-12 2013-04-18 Baker Hughes Incorporated Monitoring Structural Shape or Deformations with Helical-Core Optical Fiber
DE102012106806B4 (en) * 2012-07-26 2022-07-28 J-Fiber Gmbh Sensor fiber for temperature, strain and/or torsion detection in the form of a multi-core optical waveguide with a fiber Bragg grating structure
US20140285795A1 (en) * 2013-03-19 2014-09-25 Halliburton Energy Services, Inc. Downhole multiple core optical sensing system
KR101506931B1 (en) 2013-04-15 2015-03-30 한국과학기술연구원 Optical element using multicore optical fiber grating and method for processing optical signal using the same
WO2014194051A1 (en) * 2013-05-29 2014-12-04 National Oilwell Varco, L.P. Wellbore survey using optical fibers
JP6324058B2 (en) * 2013-12-20 2018-05-16 株式会社Ｉｈｉ検査計測 Strain measuring method and strain measuring apparatus
US9562844B2 (en) 2014-06-30 2017-02-07 Baker Hughes Incorporated Systems and devices for sensing corrosion and deposition for oil and gas applications
US10072497B2 (en) 2014-12-15 2018-09-11 Schlumberger Technology Corporation Downhole acoustic wave sensing with optical fiber
US9927286B2 (en) 2014-12-15 2018-03-27 Schlumberger Technology Corporation Seismic sensing with optical fiber
CN107003473B (en) * 2014-12-15 2020-09-11 直观外科手术操作公司 Different cores in a multicore fiber for strain and temperature separation
GB201503861D0 (en) * 2015-03-06 2015-04-22 Silixa Ltd Method and apparatus for optical sensing
DE102016202662A1 (en) * 2016-02-22 2017-09-07 Siemens Aktiengesellschaft Device for fiber-based temperature detection
CN107861189A (en) * 2017-12-11 2018-03-30 中国电子科技集团公司第四十六研究所 A kind of preparation method of single fiber integrated form bragg grating array
GB2571575B (en) * 2018-03-02 2022-05-04 Univ Cranfield An optical shape sensing method and system
GB2574883B (en) * 2018-06-22 2022-10-19 Fibercore Ltd Optical fiber
CN110132397B (en) * 2019-05-09 2021-03-19 南京大学 A method for reducing dead zone probability in Φ-OTDR system based on space division multiplexing
CN110595599B (en) * 2019-08-15 2021-05-28 广东电网有限责任公司 Method for reducing polarization fading of optical fiber vibration system and detection system using the same
US12130394B2 (en) 2019-10-03 2024-10-29 Schlumberger Technology Corporation Fiber optic interrogation system
EP3926374A1 (en) * 2020-06-15 2021-12-22 Airbus Operations, S.L.U. Aeronautical composite structure and method and system for monitoring the physical status thereof
CN111664881A (en) * 2020-07-24 2020-09-15 南京信息工程大学 Bidirectional distributed sensing system and method based on multi-core few-mode optical fiber
CN111897063A (en) * 2020-07-31 2020-11-06 中国船舶重工集团公司第七一五研究所 Temperature measurement optical cable for oil well
CN111952829B (en) * 2020-08-22 2022-03-18 中国人民解放军国防科技大学 A Quasi-distributed Measurement Method for Three-Dimensional Spatial Temperature of Fiber Core
CN113137999A (en) * 2021-05-11 2021-07-20 武汉理工大学 Optical fiber Bragg grating array type oil tank liquid level sensing system
EP4119966A1 (en) * 2021-07-15 2023-01-18 AP Sensing GmbH Employing load temperature correlation analysis for burial state analysis of an electrical power cable
CN119507889B (en) * 2023-08-24 2025-11-04 中国石油天然气集团有限公司 DTS Calibration Device and Method Based on Multi-point Capsule Manometer
US20250389457A1 (en) * 2024-06-21 2025-12-25 Atlas Energy, LTC. CO., LLC Methods, Systems, and Devices for Quantifying Geothermal Heat Flux Using Vertical Temperature Profiles at Shallow Depths
CN120628337B (en) * 2025-07-01 2025-11-04 中联德冠科技(北京)有限公司 A Multi-Core Fiber Temperature Detection Method and System Incorporating Wavelength Division Multiplexing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016104A1 (en) * 1980-04-25 1981-10-29 Siemens AG, 1000 Berlin und 8000 München SENSOR DEVICE WITH A LIBRARY FIBER OPTICAL ELEMENT
JPS6166133A (en) * 1984-09-10 1986-04-04 Agency Of Ind Science & Technol Temperature sensor using optical fiber
US5563967A (en) * 1995-06-07 1996-10-08 Mcdonnell Douglas Corporation Fiber optic sensor having a multicore optical fiber and an associated sensing method
GB9710057D0 (en) * 1997-05-19 1997-07-09 King S College London Distributed sensing system
GB9713018D0 (en) * 1997-06-20 1997-08-27 Secr Defence Optical fibre bend sensor
US6301420B1 (en) * 1998-05-01 2001-10-09 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Multicore optical fibre
US6807324B2 (en) * 2002-05-21 2004-10-19 Weatherford/Lamb, Inc. Method and apparatus for calibrating a distributed temperature sensing system
GB2417774B (en) * 2003-05-23 2006-11-22 Sensor Highway Ltd Distributed temperature sensing system with remote reference coil
GB0315574D0 (en) * 2003-07-03 2003-08-13 Sensor Highway Ltd Methods to deploy double-ended distributed temperature sensing systems
ATE405725T1 (en) * 2003-08-11 2008-09-15 Shell Int Research METHOD FOR INSTALLING A DOUBLE-SIDED FIBER OPTICAL SENSOR ARRANGEMENT THROUGH A GUIDE SLEEVE
US20060013523A1 (en) * 2004-07-16 2006-01-19 Luna Innovations Incorporated Fiber optic position and shape sensing device and method relating thereto

Also Published As

Publication number Publication date
EP2027444B1 (en) 2012-07-04
US7379631B2 (en) 2008-05-27
BRPI0713004B1 (en) 2018-09-18
BRPI0713004A2 (en) 2012-04-17
EP2027444A1 (en) 2009-02-25
DK2027444T3 (en) 2012-10-08
CA2654225A1 (en) 2007-12-21
WO2007146545A1 (en) 2007-12-21
US20070286561A1 (en) 2007-12-13
NO340684B1 (en) 2017-05-29
CA2654225C (en) 2014-09-30

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